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Suppression of epileptic seizures by transcranial activation of K-selective channelrhodopsin.
Nat Commun
January 2025
Shenzhen Key Laboratory of Gene Regulation and Systems Biology, and Brain Research Center, Department of Neuroscience, School of Life Sciences, Southern University of Science and Technology, Shenzhen, China.
Optogenetics is a valuable tool for studying the mechanisms of neurological diseases and is now being developed for therapeutic applications. In rodents and macaques, improved channelrhodopsins have been applied to achieve transcranial optogenetic stimulation. While transcranial photoexcitation of neurons has been achieved, noninvasive optogenetic inhibition for treating hyperexcitability-induced neurological disorders has remained elusive.
View Article and Find Full Text PDFBackground: Early-onset Alzheimer's disease (EOAD) associated with amyloid precursor protein (APP) duplications or presenilin (PSEN) variants increases risk of seizures. Targeting epileptiform activity with antiseizure medicine (ASM) administration to AD patients may beneficially attenuate cognitive decline (Vossel et al, JAMA Neurology 2021). However, whether mechanistically distinct ASMs differentially suppress seizures in discrete EOAD models is understudied (Lehmann et al, Neurochem Res 2021).
View Article and Find Full Text PDFDesign, synthesis, and structure-activity relationships of five-membered heterocyclic incorporated aryl(alkyl)azoles: From antiproliferative thiazoles to safer anticonvulsant oxadiazoles.
Bioorg Chem
December 2024
Department of Medicinal Chemistry, Faculty of Pharmacy, Mazandaran University of Medical Sciences, Sari, Iran. Electronic address:
In the current study, a novel series of 1,2,4-oxadiazoles were designed, synthesized, and evaluated for their biological activities. A cell-based antiproliferative screening was accomplished on the newly synthesized 1,2,4-oxadiazoles along with our previously reported aryl(alkyl)azoles (AAAs) containing middle heterocyclic cores thiazole and oxazole. Among the tested compounds, naphthyl- thiazoles demonstrated higher antiproliferative activity and B3 was identified as the most potent compound with IC values in the range of 2.
View Article and Find Full Text PDFMultiple Subpial Transection for the Treatment of Landau-Kleffner Syndrome-Review of the Literature.
J Clin Med
December 2024
Department of Correct, Clinical and Imaging Anatomy, Medical University of Lublin, ul. Jaczewskiego 4, 20-090 Lublin, Poland.
As speech-related symptoms of Landau-Kleffner syndrome (LKS) are often refractory to pharmacotherapy, and resective surgery is rarely available due to the involvement of the vital cortex, multiple subpial transection (MST) was suggested to improve patient outcome and preserve cortical functions. Here, we analyze the reports about MST use in LKS, regarding its impact on seizures, language, behavior, EEG, cognition, and reported adverse effects. In conditions like LKS, surgery is not a popular treatment option and presumably should be considered sooner.
View Article and Find Full Text PDFBackground: Long QT Syndrome Type-2 (LQT2) is due to loss-of-function variants. encodes K 11.1 that forms a delayed-rectifier potassium channel in the brain and heart.
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